RB80C
RB110C Installation Guide
Page 7
12"
(30.5 cm)
11"
(27.9 cm)
parallel with joists
1
2
Retrofit Installation
Parts Bag holds
Knockout Plate
and six (6) screws
Existing ductwork and
wiring left in place
WARNING
Before removing existing fan, switch power off at service panel and lock the service disconnecting
means to prevent power from being switched on accidentally. When the service disconnecting means
cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel.
Examine the existing wiring to make sure it is not damaged. If any damage is found,
DO NOT CONTINUE INSTALLATION
of this product. Contact a qualified person(s) for repair.
Remove
Instruction
Sheet
Punch out Mask from
packaging. See Step 12.
1
Remove Packaging
2
Switch Off Power
4
Examine Wiring
3
Enlarge Ceiling Opening and Remove Existing Fan
• Ruler
• Pencil
• Drywall saw
• Claw hammer or pry bar
• Utility knife
Materials needed
• Tape to seal duct connections
• Existing rigid duct will require the
addition of a short length of flexible duct
• Electrical wiring and supplies per
local code requirements
Tools needed
• Power screwdriver with a Phillips bit
• Phillips screwdriver
• Flathead screwdriver
• Pliers
• Wire insulation stripper
• Wire cutter
